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Mountain Wall Cress flowers
(Photo courtesy of NetPS Plant Finder)
Height: 3 inches
Spread: 12 inches
Hardiness Zone: 3a
Other Names: Rock Cress
Pretty white flowers open above mounds of shiny green star-like leaves, the perfect plant for wall and rock gardens; can shear after blooming for best appearance
Mountain Wall Cress features dainty white daisy flowers at the ends of the stems from mid spring to early summer. Its small glossy narrow leaves remain dark green in color throughout the year. The fruit is not ornamentally significant.
Mountain Wall Cress is a dense herbaceous evergreen perennial with a ground-hugging habit of growth. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.
This is a relatively low maintenance plant, and should only be pruned after flowering to avoid removing any of the current season's flowers. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.
Mountain Wall Cress is recommended for the following landscape applications;
Planting & Growing
Mountain Wall Cress will grow to be only 3 inches tall at maturity, with a spread of 12 inches. Its foliage tends to remain low and dense right to the ground. It grows at a slow rate, and under ideal conditions can be expected to live for approximately 8 years.
This plant should only be grown in full sunlight. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is considered to be drought-tolerant, and thus makes an ideal choice for a low-water garden or xeriscape application. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider covering it with a thick layer of mulch in winter to protect it in exposed locations or colder microclimates. This particular variety is an interspecific hybrid. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.
Mountain Wall Cress is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.